How to Master Instagram Thumbnails: The Complete Guide

When it comes to Instagram, the first impression is the last impression. Have you ever scrolled through your feed and stopped just because a thumbnail caught your eye? That’s the power of thumbnails! However, you might find yourself asking if you can adjust them to better suit your style or brand. In this comprehensive guide, I’ll dive into everything you need to know about Instagram thumbnails. From understanding what they are to how to tweak them, we’ll cover it all. So, grab a cup of coffee, and let’s get started!

What Exactly Is an Instagram Photo Thumbnail?

Before we get into the nitty-gritty of adjustment, let’s first understand what an Instagram photo thumbnail is. In simple terms, an Instagram thumbnail is the small, square-sized image that you or others see when browsing through your grid, your stories, or even the Explore page. These are pivotal as they represent the first visual impression of your content to potential followers.

I remember when I started my own Instagram account; I didn’t pay much attention to thumbnails. I figured the content spoke for itself. Oh boy, was I wrong! A good thumbnail is like a book cover; it entices people to click and engage.

adjust thumbnail instagram

Is It Possible to Adjust Instagram Thumbnails?

Picture this: you’ve uploaded a fantastic photo, but Instagram automatically selects an awkward close-up of your nostrils as the thumbnail. Frustrating, right? This raises the question: Is it possible to adjust Instagram thumbnails? The short answer is yes, but it’s a little tricky.

When you’re uploading content like a carousel post or a video, Instagram does give you some leeway in picking what it deems as your cover photo. However, once you post, your choices are locked in. Still, don’t sweat it; there are ways around these limitations.

Why Does Your Instagram Thumbnail Appear Zoomed In?

Ever noticed that your thumbnails sometimes look zoomed in? This is a common query and can be quite perplexing. Essentially, Instagram crops your images into a square thumbnail by default. If your original image is not square, parts of it will be cut off, giving the impression of a zoomed-in effect.

I faced a similar problem a few months ago while promoting my travel blog. My beautifully captured landscapes looked like a green blob on my thumbnail, all because of this zooming effect. So, how do you avoid this? Keep reading!

adjust thumbnail instagram

Can You Change the Thumbnail on Instagram?

Alright, let’s get to the point. Can you actually change the thumbnail after you’ve posted something on Instagram? Unfortunately, Instagram doesn’t allow for post-publishing edits to thumbnails directly. However, there’s always a workaround. While you can’t replace the thumbnail for a photo post, you do have more options for videos, which I’ll explain soon.

Adjusting the Thumbnail on Instagram: Tips You Need

Let me share some practical tips for adjusting your thumbnails effectively:

1. Plan Ahead for Square Format

Before you even hit the upload button, crop your photos into a square format using any basic photo editing app. It allows you to see exactly what will fit within Instagram’s thumbnail frame.

2. Use Third-Party Apps

Many third-party apps can provide a preview of how your photo will look as a thumbnail on Instagram. Apps like ‘Snapseed’ or ‘Canva’ are great tools to play around with this.

3. Consider Going Live

Believe it or not, going live on Instagram allows you to set a cover photo for the replay in your stories. It’s another example of taking control of what your followers see.

How to Change the Cover Photo on an Instagram Post

Changing a cover photo isn’t just limited to Instagram Stories or Live features. When you’re posting a video, you get the option to select a thumbnail. Here’s how you do it:

  1. Upload a Video: Start by uploading a video the normal way.

  2. Select Cover: You’ll see an option labeled ‘Cover’ where you can scroll through the video to pick a frame you want as your cover image.

  3. Edit Points: It might not be the perfect frame, but they give you some freedom with frame selection.

Throughout my Instagram journey, this feature has been a lifesaver, especially when the automated thumbnail just didn’t cut it.

Changing the Instagram Video Thumbnail After Posting

Here’s the thing about posting videos on Instagram: the platform allows more flexibility than photo posts. Though you can’t directly alter just the thumbnail after you’ve posted the video, you can re-upload it with a different selected frame.

Honestly, it’s more effort than it sounds. Once, I had to delete a video of my cat doing something adorable and then re-upload it just because the thumbnail didn’t show her charming side. All it took was ensuring the right frame was chosen this time.

Can You Adjust Instagram Story Thumbnails?

Instagram Stories are another place where thumbnails play a crucial role. The small circles, or the Highlights, at the top of your profile are essentially static thumbnails representing your stories. These are one of the areas where you can actually choose and adjust thumbnails effectively.

Steps to Adjust Instagram Story Thumbnails:

  1. Navigate to Your Profile: Head over to your Instagram profile.

  2. Edit Highlight: Tap on the highlight for which you wish to change the thumbnail.

  3. Edit Cover: Tap ‘Edit Highlight,’ then ‘Edit Cover’ from where you can upload a photo from your gallery.

The ability to use custom photos from my gallery has been a game-changer for organizing my highlights in a visually pleasing manner.

Instagram’s Limitations and Future Updates

One constant with social media platforms is their tendency to evolve. Instagram has been continuously updating features to enhance user experience. Although the current system of thumbnail adjustment is a mixed bag, future updates could offer new options.

When Instagram introduced the longer IGTV videos, I was hopeful they’d offer more flexibility with thumbnails. It didn’t quite pan out as anticipated, but who knows what’s around the corner!

FAQs About Instagram Thumbnails

Q: Can you reposition a thumbnail for a single photo post?

A: No, Instagram currently doesn’t allow repositioning for single photo post thumbnails.

Q: What’s the best ratio to use for thumbnails?

A: A 1:1 square ratio is most suitable, ensuring that nothing gets cropped unexpectedly.

Q: Are there third-party apps recommended for better thumbnail selection?

A: Yes, apps like ‘Canva’ and ‘Snapseed’ are popular choices for pre-editing thumbnails.


Navigating the world of Instagram thumbnails can be perplexing, especially with limitations on the platform. Yet, with some proactive planning and understanding of what you can control, you can make your thumbnails work in your favor. Now, go ahead and get creative with your posts, and let those thumbnails sparkle!

You May Also Like